+ /* In async cases, when write log is enabled, in case the submitted+ * buffers did not get log info before the log enabling, so we'd+ * better recompute the log info when needed. We do this in+ * handle_async_rx_events_notify().+ */+ vq_log = unlikely(vhost_has_feature(&net->dev, VHOST_F_LOG_ALL)) ? vq->log : NULL;